Home / 1,267,785.95-1,749,549.96-687,010.34

Finding the Fourth Proportional to 1,267,785.95, 1,749,549.96 and 687,010.34

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Solution

The fourth proportional to 1,267,785.95, 1,749,549.96 and 687,010.34 is: 948,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,785.95 : 1,749,549.96 = 687,010.34 : x
  2. Step 2: Convert to fraction form
    1,267,785.95/1,749,549.96 = 687,010.34/x
  3. Step 3: Cross multiply
    1,267,785.95x = 1,749,549.96 × 687,010.34
  4. Step 4: Simplify right side
    1,267,785.95x = 1,201,958,917,240.46
  5. Step 5: Solve for x
    x = 1,201,958,917,240.46/1,267,785.95
  6. Step 6: Final answer
    x = 948,077.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.